/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.bean.BeanUsuario;
import model.dao.DaoUsuario;

/**
 *
 * @author francotel
 */
public class ServletDowloadFoto extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    private static final int BYTES_DOWNLOAD = 1024;
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
    
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        response.setContentType("image/jpeg");
	response.setHeader("Content-Disposition",
                     "attachment;filename=foto.jpg");
	ServletContext ctx = getServletContext();
        
        HttpSession session = request.getSession(true);
                            BeanUsuario usuario = (BeanUsuario) session.getAttribute("usuario");
                            DaoUsuario daousuario = new DaoUsuario();
                            
                            
        String rutamd5 =  "/usuarios/"+ usuario.getRuta_foto();
        
	InputStream is = ctx.getResourceAsStream(rutamd5);
 
	int read=0;
	byte[] bytes = new byte[BYTES_DOWNLOAD];
	OutputStream os = response.getOutputStream();
 
        while((read = is.read(bytes))!= -1){
		os.write(bytes, 0, read);
	}
	os.flush();
	os.close();
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
